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MCG

MCG
Keep your specialised distribution boards, commercial installations, and domestic consumer units running safely with our immediately available stock of genuine MCG circuit protection components. As dedicated UK electrical supply experts, we specialise in sourcing both current and rare or obsolete modules, allowing you to find the exact replacements you need without facing costly panel retrofits.
Our online MCG catalog is updated regularly and designed to accommodate a diverse range of configurations, including:
  • MCG MCBs: High-quality miniature circuit breakers available across specific overcurrent protection needs, including triple-pole layouts from the JVM1-63 series line.
  • MCG RCBOs: Comprehensive residual current breakers with overcurrent protection tracking popular single-module compact configurations, including the high-performance JVL11 series built for focused earth-leakage defense.
  • MCG RCDs & Main Switches: Robust double-pole residual current devices from the JVL1 range up to 80 Amp, alongside heavy-duty 100 Amp main switch disconnectors to ensure complete, secure incoming system isolation.
  • Advanced Circuit Safety: Reliable fault isolation, versatile breaking capacity profiles (up to high-performance 10kA ratings), standard 30mA residual current protection sensitivities, and diverse tripping profiles (Curves B, C, and D) engineered for robust electrical safety.
Why Choose Circuit Breaker Specialists?
  • Free UK Delivery: Enjoy cost-free shipping automatically applied on every single order across our entire catalog.
  • Same Working Day Dispatch: Complete your online checkout before 3PM, and we dispatch your package today.
  • Next Working Day Shipping: Urgent delivery options available at checkout to minimise system downtime during critical faults.
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